高压宽输入开关电源研究与设计  

Research and Design of High Voltage Wide Input Switch Power Supply

作　　者：桂林[1] 毛军[1] 

机构地区：[1]中国电子科技集团公司第43研究所,合肥230088

出　　处：《混合微电子技术》2015年第2期15-19,共5页Hybrid Microelectronics Technology

摘　　要：本文研究了一种高压宽输入开关电源。详细分析了全桥LLC拓扑的工作原理及优缺点，讨论针对高压宽输入的特点，拓扑上采用Buck＋全桥级联结构的优势，并着重给出了主要电路参数的设计。最后介绍了该变换器所达到的主要性能指标。A high voltage wide input switch power supply is studied in this paper. The operating principle and advantages and disadvantages of fullbridge LLC topology is analyzed, according to the characteristics of High voltage wide input, we dicussed the advantages of Buck ＋ FullBridgeLLC cascade structure,Then the main circuit parameters are calculated, Finally, the main per- formance index of the converter is introduced.

关 键 词：高压宽输入 全桥LLC 级联拓扑 高效率 

分 类 号：TN86[电子电信—信息与通信工程]